Which the smallest numbers divisible by 12,28,64,84
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Given :
The smallest numbers divisible by 12, 28, 64, 84
Solution :
To find the smallest number which is divisible by 12, 28, 64, 84 we will find the LCM of these numbers.
Prime factors of 12, 28, 64, 84 = 2⁶ × 3¹ × 7¹
= 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7
= 1344
LCM of 12, 28, 64, 84 = 1344
The smallest number is 1344 is divisible by 12, 28, 64 and 84.
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